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West End Lane, NW6, Hampstead, North West London

A Ward – Hampstead, NW6

“We had our front sash bay windows replaced, and back windows draught-proofed. The team was extremely professional, turned up on time every day, kept us up to date with progress, worked [...]

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Tufnell Park Road, N7, Islington, North London

J Hope – Islington, N7

"I just wanted to say thank you. The doors/windows look great. Your team was very efficient and really tidied the place up and left everything in immaculate condition so we were [...]

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Leyspring Road, E11, Wanstead, East London

S Landels – Wanstead, E11

“Such a relief to deal with a professional and friendly company with a quality product. Given honest and clear advice of what I could expect. The whole team was great to [...]

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Priory Road, NW6, Camden, North West London

J Muller – Camden, NW6

“I am very pleased with my sash windows from Core Sash windows. From customer service, to the product to the price! The technicians were very neat and tidy. The product is [...]

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Rattray Road, SW2, Lambeth, South West London

J Voss – Lambeth, SW2

“We are very pleased with our new windows – it’s the coldest June ever so we had to put on the central heating and every room was noticeably warmer than usual. [...]

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Middle Lane, N8, Crouch End, North London

T Jones – Middle Lane, N8

“We’ve hired Core Sash Windows on two occasions to upgrade old sash windows at our Victorian property in Hackney. We started with our bedroom windows and went on to do the [...]

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Haberdasher Street, N1, Hackney, North London

K Harrison – Hackney, N1

“Thanks guys for the great job you did last week. Our double glazed windows in the bedrooms look amazing, it feels warmer, quieter and there’s no condensation on windows! Also people [...]

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Netherdown, N10, Muswell Hill, North London

I Foster – Muswell Hill, N10

“The windows are now finished and we are so happy with them – they look absolutely beautiful and we’ve noticed the difference in terms of sound and heat insulation – and [...]

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